Dell EMC E20-555 Exam Questions Instant Access

Question 1

You have been working with a customer to size a new Isilon cluster for their environment. You recently determined that a cluster with three X400 nodes with 1TB drives and 48 GB RAM would be a perfect starting point for their workflow, but will have extra capacity. The customer just informed you that they have decided to also use the cluster for a small home directory environment and implement SmartQuotas.

Which configuration changes should you consider?

AIncrease the memory and add SSDs to the configuration.

BAdd an additional X400-Series node to the configuration.

CAdd three NL-Series nodes with 1 TB drives with 48GB RAM, and use SmartPools.

DAdd three S-Series nodes with 300GB drives with 48GB RAM, and use SmartPools.

Answer : A

Question 2

Independent of protocol, what does Isilon OneFS use to translate identities?

AID mapping stack

BRole-based access control

CAccess Zone

DSmartLock

Answer : A

Question 3

What does Isilon OneFS use to re-write data when a disk read fails?

ADynamic Sector Repair

BNVRAM

CIsilon Data Integrity

DCRC

Answer : A

Question 4

Refer to the exhibit.

A customer calls you and asks if you could come by and interpret their InsightIQ dat

a. You see that namespace reads are 63% of the work load.

What would you recommend to help this cluster's namespace performance?

AAdd SSDs

BAdd A-Series nodes

CAdd S-Series nodes

DTurn off write cache

Answer : A

Question 5

Which Isilon OneFS job, that runs manually, is responsible for examining the entire file system for inconsistencies?

AIntegrityScan

BMediaScan

CAutoBalance

DFlexProtect

Answer : A

Question 6

When conducting high-level interviews with stakeholders of a project, what are the key questions that should be asked?

AHow much usable storage are you looking for?What client OS will access this storage?Which applications will access this storage?

BWhich backup application is in use today?What is your change rate?How many clients will connect to the cluster?

CWhat does your network architecture look likeDo you have existing NAS infrastructure?Do you have 10Gb or 1GbWhich applications will access this storage?

DWho are the application owners?How much usable storage is needed?What applications will be accessing the storage?How many users are in your Active Directory?

Answer : A

Question 7

What should be avoided when designing snapshot schedules?

AUsing aliases

BManual snapshot deletion

CRunning the SnapshotDelete job

DSetting an expiration

Answer : B

Dell EMC Isilon Solutions and Design Specialist for Technology Architects E20-555 Exam Questions